That`s hard to solve as a computer.
Either you try solving it with one finger and parts of it or you have to handle 100 fingers.
Never seen a computer with 100 fingers...

So one digit up or down;-)

1973 2CV AK400 Ralley
1985 plus 4 four seater
1992 Peraves ecomobil
bicycles (pedersen to recumbent)